# Agentzon vs Square (slim) > Square scores 69.2 (B) to Agentzon's 51.4 (D) for commerce catalogues. Prices, MCP, x402, uptime and agent notes side by side. - Full: https://www.anchorterminal.com/compare/agentzon-vs-square.md (~2,550 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/agentzon-vs-square.json · canonical https://www.anchorterminal.com/compare/agentzon-vs-square - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-10 Square scores 69.2 (B) on agent readiness against Agentzon's 51.4 (D), and leads in 6 of 7 scored categories. Both do commerce catalogues. - Agentzon: D 51.4, rank #753 of 955 · https://www.anchorterminal.com/tools/agentzon.min.md - Square: B 69.2, rank #195 of 955 · https://www.anchorterminal.com/tools/square.min.md - Agentzon, good for A shopping destination for an agent buying everyday household goods for a U.S. address. Also No key needed to call it. - Square, good for Agents working for a seller already on Square, on catalogue, inventory, orders, payment links and customers, online and in person. Ahead on Reliability, 58 against 40; Agent ergonomics, 83 against 78; Security & auth, 67 against 45; Maintenance & community, 81 against 5; Transparency & trust, 70 against 45. Also Runs on your own machine. | Category | Agentzon | Square | | --- | --- | --- | | Reliability (16%) | 40 | 58 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 83 | 87 | | Agent ergonomics (13%) | 78 | 83 | | Security & auth (14%) | 45 | 67 | | Payments & pricing (10%) | 40 | 40 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 5 | 81 | | Transparency & trust (7%) | 45 | 70 | | Fact (where they differ) | Agentzon | Square | | --- | --- | --- | | Vendor | Merit Systems, Inc. | Block, Inc. | | Hosted endpoint | `https://agentzon.co/api` | `https://mcp.squareup.com/mcp` | | Transports | HTTP | HTTP, Streamable HTTP, stdio | | Auth | None | OAuth or key | | Licence | none | Proprietary service under the Square Developer Terms of Service. The MCP server and the OpenAPI specification on GitHub are Apache 2.0, and the Node.js SDK is MIT | | Tools exposed | none | 3 | | Read-only variant documented | yes | no | | Last release | none | 2026-09-16 | | Terms last updated | | 2026-09-10 | | Privacy policy last updated | | 2026-09-15 | | Customer content may train models | | not found in the text | | Terms restrict automated access | | yes | | Terms restrict benchmarking | | yes | | Terms or service can change without notice | | not found in the text | | Arbitration or class-action waiver | | yes | | Popularity | none | 454k npm/wk, 72k PyPI/wk |